By Thomas Kyte
I learn this booklet finish to finish, studying whatever on each web page. it's filled with nice tips from recursive queries, tips to use the indicators log as an exterior desk so that you can question up-time, how to define un-indexed FKeys and why they subject, to fundamentals like desk varieties, column varieties, index forms (when might you utilize a opposite index?)... do you know that Kyte by no means makes use of CHAR? What box sort if you happen to shop manually encrypted values in and why?
There are such a lot of beneficial bits of data during this ebook. checklist of whilst to not use a cluster (need to truncate?, have to complete scan?, heavy updates?, have to partition?). sorts of partitioning and while to take advantage of them. kinds of encryption and whilst to take advantage of them (sometimes encrypted facts is encrypted in reminiscence to boot, and infrequently it's not. Is encrypted info continuously kept as encrypted whilst written to disk (Redo, Undo, Temp, Rollback)?). What gains can Exadata follow on the IO point (column filtering, row filtering, decryption, regex, etc). How's your parallel DML?
Kyte is not only nice at Oracle. he is an exceptional instructor. regardless of the dry topic, Kyte makes it attainable to soak up what he has to share.
Recommendation: commence this booklet by means of fitting Oracle and permitting your self to stick with the examples. Kyte walks you thru the best way to set it up sooner than web page 1.
Read or Download Expert Oracle Database Architecture: Oracle Database Programming 9i, 10g, and 11g Techniques and Solutions, Second Edition PDF
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Extra info for Expert Oracle Database Architecture: Oracle Database Programming 9i, 10g, and 11g Techniques and Solutions, Second Edition
Not every possible configuration possibility is described (that is what the Oracle documentation is for), but rather the practical implementation details and how they will affect you are laid out. Source Code and Updates As you work through the examples in this book, you may decide that you prefer to type in all the code by hand. Many readers choose to do this because it is a good way to get familiar with the coding techniques that are being used. com). If you like to type in the code, you can use the source code files to check the results you should be getting—they should be your first stop if you think you might have typed in an error.
This chapter examines in detail the different types of indexes, including B*Tree, bitmap, functionbased, and application domain indexes, and discusses where they should and should not be used. ” xxix ■ INTRODUCTION Chapter 12: Datatypes There are a lot of datatypes to choose from. This chapter explores each of the 22 built-in datatypes, explaining how they are implemented, and how and when to use each one. First up is a brief overview of National Language Support (NLS), a basic knowledge of which is necessary to fully understand the simple string types in Oracle.
And believe it or not, it is almost always possible. • If you can’t do it in a single SQL Statement, do it in PL/SQL—as little PL/SQL as possible! ” • If you can’t do it in PL/SQL, try a Java stored procedure. The times this is necessary are extremely rare nowadays with Oracle9i and above. • If you can’t do it in Java, do it in a C external procedure. This is most frequently the approach when raw speed or using a third-party API written in C is needed. • If you can’t do it in a C external routine, you might want to seriously think about why it is you need to do it.
Expert Oracle Database Architecture: Oracle Database Programming 9i, 10g, and 11g Techniques and Solutions, Second Edition by Thomas Kyte